Lithium storage properties of nanocrystalline Ni3Sn4 alloys prepared by mechanical alloying

被引：102

作者：

Lee, HY

Jang, SW

Lee, SM ^{[1
]}

Lee, SJ

Baik, HK

机构：

[1] Kangweon Natl Univ, Dept Adv Mat Sci & Engn, Chunchon 200701, South Korea

[2] Yonsei Univ, Dept Met Engn, Seoul 120749, South Korea

来源：

JOURNAL OF POWER SOURCES | 2002年 / 112卷 / 01期

关键词：

Ni3Sn4; ball milling; nanocrystalline; grain boundary; lithium-ion battery; capacity;

D O I：

10.1016/S0378-7753(02)00047-2

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Nanocrystalline Ni3Sn4 alloy powders prepared by high energy ball milling are examined as an anode for lithium-ion batteries. Ex situ Xray diffraction (XRD) and differential capacity plots show that crystalline Ni3Sn4 has a low affinity for lithium. In the case of well-developed nanocrystalline Ni3Sn4, the lithium atoms reversibly react with tin atoms in the grain boundaries with no capacity fading for extended cycling. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：8 / 12

页数：5

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